
# ok:状态
# root@ljl:/m2# lsmod | grep pcan
# pcan                  210998  0
# can_dev                13656  1 pcan

# root@ljl:/m2# ip link show | grep can
# 6: can0: <NOARP,UP,LOWER_UP> mtu 16 qdisc pfifo_fast state UP mode DEFAULT group default qlen 10
#     link/can 

ip link set can0 down
ip link set can0 type can bitrate 500000
ip link set up can0
ip link show | grep can
